Fix json deserialization for request params

Fixes #1261

src/main/java/org/asamk/signal/commands/FinishLinkCommand.java

@@ -34,6 +34,9 @@ public class FinishLinkCommand implements JsonRpcMultiCommand<FinishLinkCommand.
     public void handleCommand(
             final FinishLinkParams request, final MultiAccountManager m, final JsonWriter jsonWriter
     ) throws CommandException {
+        if (request.deviceLinkUri() == null) {
+            throw new UserErrorException("Missing deviceLinkUri.");
+        }
         final URI deviceLinkUri;
         try {
             deviceLinkUri = new URI(request.deviceLinkUri());
@@ -71,7 +74,7 @@ public class FinishLinkCommand implements JsonRpcMultiCommand<FinishLinkCommand.
         jsonWriter.write(new JsonFinishLink(number));
     }
 
-    record FinishLinkParams(String deviceLinkUri, String deviceName) {}
+    public record FinishLinkParams(String deviceLinkUri, String deviceName) {}
 
     private record JsonFinishLink(String number) {}
 }

src/main/java/org/asamk/signal/commands/ReceiveCommand.java

@@ -112,5 +112,5 @@ public class ReceiveCommand implements LocalCommand, JsonRpcSingleCommand<Receiv
         }
     }
 
-    record ReceiveParams(Double timeout, Integer maxMessages) {}
+    public record ReceiveParams(Double timeout, Integer maxMessages) {}
 }

src/main/java/org/asamk/signal/commands/RegisterCommand.java

@@ -97,5 +97,5 @@ public class RegisterCommand implements RegistrationCommand, JsonRpcRegistration
         }
     }
 
-    record RegistrationParams(Boolean voice, String captcha) {}
+    public record RegistrationParams(Boolean voice, String captcha) {}
 }

src/main/java/org/asamk/signal/commands/VerifyCommand.java

@@ -77,5 +77,5 @@ public class VerifyCommand implements RegistrationCommand, JsonRpcRegistrationCo
         }
     }
 
-    record VerifyParams(String verificationCode, String pin) {}
+    public record VerifyParams(String verificationCode, String pin) {}
 }